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Don´t worry, Schneider Center filters IVa, IVb and Heliopan 95mm center filters will not mark the front lens coating of the Nikkor SW 150/5,6. They are as safe as the discontinued B+W EW series.

90mm at f32

Well done Christo. I supose you ate the clams.

I like this one very much.

Beautifull!!!. Well done Jim

Great pics Christo. The one of the flower is superb.

Thak you Mhayashi. Very good piece of info.

Thanks Karl. very useful link.

I do not reccomend you to ad an UV filter, no matter it´s one of superb quality, between lens and center filter. I´m sure most members of this forum do not use UV filters for protection. The filter...

I´m curious about those Goerz lenses, but I can´t find much info on the web. Please, can you illustrate me about these lenses?. I´d like to know lens construction, image coverage angle and...

As Dan and other members of the forum have stated, Center filters are necessary when shootting chromes with wide angle lenses. The recommended factor of the centerfilter for a certain lens provides...

Your Nikkors 65 and 75mm would dramatically benefit from a center filter when you shot chromes. Any 67mm center filter with a 3X factor
(1,5 stops factor) will do a decent job, but a 4X filter (2...

Very nice Christo!.

All are superb. My preferred is the one with the window.

Beautiful!

Great shot!

Fujinon T 600 will not cover 8x10. With 600mm bellows extension, your options are limited to tele lenses of 600 and 800mm. As far as I know, just Nikkor T ED 600/9 and 800/12 and Schneider Apo Tele...

I have both SK90XL and Grandagon N 90/4,5 (no green stripe, but late serial number 109XXXXX). Apart from the obvious differences in image circle size, 259mm vs 236mm, filter size 95mm vs 82mm, 0...

+1 for the Rodenstock Grandagon N 65/4,5. It´s very very sharp. I shot color slide film and I find the center filter is mandatory, unless you like heavy fall off efect.

When ordering a DB conversion for a shuttered lens, Sinar asked the serial number and the brand of the lens to exact calibrate the DB conversion kit.

Nice pic. I like the atmosphere. It reminds me the nude pictures from the 20´s of last century.

Well done!

You´re right Bob and Oren, the right comparision would be with the Apo Sironar W, but I was curious about the SK 210 HM and how did it compare with my Apo Sironar, and that´s the comparision I did. I...

Great shots Jesse!

I never use the same filter size filter for a large format lens, just to avoid vigneting problems. My rule is add a 25% more size to avoid vigneting problems when generous shift is aplied. If lens...

I borrowed a Schneider 210mm HM from a friend just to take a shot and compare to my Apo Sironar S 210/5,6. in a 5x7 shot. The Schneider has a wider image circle, but I was unable to stablish any...

Thanks for the link. Fortunately, this system is available in Spain. I had the chance to have it in my hands. It´s very very well made, and solves most problems with parasit lateral or back light. I...

I own both Sinaron W 90/4,5 (Same lens as Rodenstock Grandagon N 90/4,5), and Schneider Super Angulon XL 90/5,6. I use centerfilters in both lenses, but the one I use on the SK XL 90 is the one for...

An effective method to partialy avoid flare with 100 mm filters is to paint the filter rims in black with a permanent marker. This is very effective with clear filters like series 81, 82, and filters...

I love the framing and composition. I like very much all the muscle and bone texture. I find it natural and expontaneous, not to mention that all these details add richness to the picture. Well done.

High quality 100 mm filters like Lee, Hitech, Sinar (made by Symcel) are very good, but you must be sure to protect them against straight ligth with a good lens shade, and be sure your filter holder...

Try to find a 35" Red Dot artar or a 890 Apo Ronar, save a lot of money, carry a much ligther lens and be happy.

That´s the question. I have never seen a bad LF lens from the big four, but I have seen a lot of bad pictures by me.

That´s right Bob, I forgot to mention the version Ww ND 0,45. I also know a Ww ND 0,90 version exists, and probably a Ww ND 0,60. I had no idea about a 1,2 version (4 stops).
Heliopan filters are...

Hi Bob, Fuji made the Fujinon SW 105/8 with a coverage of 100º, and of course needs a Center Filter to mitigate fall off.
Heliopan Center filter 77mm, very very difficut to find, suits perfectly...

I have a Sinaron W 90/4,5 , (Same lens that Rodenstock Grandagon N 90/4,5), and I´m extremely happy with it. I purchased it in 1991, and since then has served me flawlessly.
I mostly use color...

Try to use both Nikkor 90 mm with color slide film and you´ll notice the fall off from 3cm shift in landscape format. Then, you decide if you need a center filter or not. Nikon and Fuji never made a...

First one, (vertical), and the third one, (Horizontal with more tinted clouds)

this set up is from last june, in the Spain and Portugal borderline. Left side of the river is Spain and right side is Portugal. This is an area I love to picture. The lens used is an Apo Ronar...

Yes Pere, I use color slide film. Mostly Velvia 50 and Provia 100. When Kodachrome 64 in 120 format was available in Spain I used this wonderful film with a Sinar Zoom film holder, in 6x9 and 6x12...